英语词汇“personal alert safety system”的翻译、意思、用法、释义-英汉汉英双解词典

单词	personal alert safety system
释义	personal alert safety system 个人安全报警系统
随便看	knocked-down price knocked it off knocked jown knocked me out knocked my socks off knocked off knocked off a bank knocked off work at noon knockedon knocked over knocked-over knocked silly by the impact knocked the attacker senseless knocked together knock free knock-free knock free fuel knock-free fuel knock free operation knock-free operation knock free power knock free region knocked on knocked-on knocked-on atom